The F-15 was born from the difficult lessons learned during the Vietnam War. In the late 1950s, Air Force planners were confident that the advent of powerful new radars and long-range air-to-air missiles... continue reading

posted by eric3579 1 year 11 months ago • 84 views • 14:21

“Most of us can’t imagine what it will be like when the whole ocean system collapses,” says Colin Angus, CTO and cofounder Open Ocean Robotics, a tech startup that makes autonomous boats. The... continue reading

posted by newtboy 3 years ago • 295 views • 8:44

"Hit me... if you can..."

posted by ant 3 years 6 months 3 weeks ago • 41 views • 3:08

SteveMRE1989 reviews a 1992 Norwegian SR92 24-Hour combat ration. NIce.

posted by w1ndex 5 years 10 months ago • 25 views • 28:13

YouTube description: While steel reinforcement solves one of concrete’s greatest limitations, it creates an entirely new problem: Corrosion of embedded steel rebar is the most common form of concrete... continue reading

posted by Aard Vark (oritteropo) 6 years 5 months 2 weeks ago • 251 views • 7:49

*updated, I posted the wrong video After finding out his father, Alfred, suffered from shell shock, Patrick Stewart meet Robert Bieber to find out more about the effects of shell shock and how it was... continue reading

posted by Mordhaus 7 years 1 month ago • 1,625 views • 3:15

The reason they need weevil greenhouses is that the Brazilian weevils don't like Texan winters, and tend to die off over winter. If they mentioned it in this video I missed it. YouTube description: ... continue reading

posted by Aard Vark (oritteropo) 7 years 4 months 1 week ago • 976 views • 3:44

I underestimated by three! Yikes YouTube: Can you guess how many countries the United States is currently bombing?

posted by PlayhousePals 8 years 4 months 2 weeks ago • 904 views • 4:32

We ask soldiers to shoot people in combat, but how many men find this easy to do? What proportion can pull the ?

posted by Mordhaus 8 years 6 months 1 week ago • 94 views • 23:40

Fire-arrows - did archers really use them in battles?

posted by Mordhaus 8 years 6 months 1 week ago • 216 views • 11:28

YouTube: In the search for longevity, scientists have found the longest-lived vertebrates on the planet in the arctic. Meanwhile, in warmer climes, the FDA approves a new method for combating disease-carrying... continue reading

posted by PlayhousePals 8 years 7 months ago • 100 views • 5:02

YouTube: Some of humanity’s favorite antibiotics are starting to lose their mojo, in the face of smart, sneaky, and rapidly-evolving bacteria. To find new drugs to combat these superbugs, scientists... continue reading

posted by PlayhousePals 1 decade 3 months 3 weeks ago • 52 views • 8:33

YouTube: Some tips to combat sleep deprivation!

posted by Janine V. (Lilithia) 1 decade 7 months 2 weeks ago • 43 views • 4:13

Learn interesting bits of info about Venus, including why Venus is used as an example of an Earth in a runaway greenhouse effect, the importance of Galileo's observations of Venus when combating the church's... continue reading

posted by reiwan 1 decade 5 years 1 month 1 week ago • 781 views